Inch'-pin, *inne-pinne, *inc he-pinne, *inch1-pin, s

[Etym. doubtful; cf. Gael, inne, innidh a bowel or entrail.] The sweetbread of a deer. *In-çic'-u-ra-ble, a. [Lat. incicur =not tame: in- =not; cicur =tame, and Eng. -able .] That cannot be tamed; untamable. *In-çide', v. t . (Lat. incido, from in- =in, into, and cædo =to cut.] 1. Ord. Lang.: To cut. "Cutting or in ciding the foreskin should be mentioned here as a practice adopted amongst them." -Cook: Third Voyage, bk. iii., ch. ix. IMG:content-1548.png:[blocks in formation] (1) Angle of incidence: Optics, Physics, .: An angle formed by two straight lines, one the line of incidence [2] of a ray of light or heat, or of an elastic body moving to strike a plane, and the other a perpendicular to that plane. The angle formed by the perpendicular and the line of departure taken by the elastic body is called the angle of reflection, and is always equal to the former one. If in the figure, CD be the plane, A B the line of incidence, and FB a perpendicular to CD, then A BF is the angle of incidence, and FBE the angle of reflection. Formerly these terms were more commonly applied to the angles A B C and EBD [2]. (2) Line of incidence : Optics, Physics, & c .: The straight line taken by a ray of light or heat, or an elastic body moving to strike a plane at an acute or right angle. [1.] *In-çi-den-çў, 8. [Low Lat. incident i a .] [INCI IMG:content-1549.jpg:[blocks in formation] IMG:content-1550.png:[blocks in formation] 1. Happening occasionally, or as an occasional event; casual, accidental, undesigned, fortuitous. "A hatred either natural or incidental ." -Milton: Doctrine of Divorce , bk. ii., ch. xvii. 2. Not nece ary to the main action or design; subordinate; happening or done by the way. "My incidental explications of the rarefication and condensation of the air." - Boyle: Works , i. 196. 3. Falling out or happening undesignedly as a result; contingent. "The direct and proper purpose of the act, and the incidental effect of it."-Hurd: Dis. Christ Driving the Buyers, ., out of the Temple. *B. As subst .: An incident.